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An urn contains 5 red and 2 black balls....

An urn contains 5 red and 2 black balls. Two balls are randomly drawn. Let X represent the number of black balls. What are the possible values of X? Is X a random variable ?

Text Solution

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The correct Answer is:
X=0,1,2; yes
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Knowledge Check

  • A bag contains 5 red and 3 blue balls. If 3 balls are drawn at random without replacement the probability of getting exactly one red ball is ……..

    A
    `(45)/(196)`
    B
    `(135)/(392)`
    C
    `(15)/(56)`
    D
    `(15)/(29)`

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